Continuous high-power turbine fracturing equipment

Abstract

The present invention discloses a continuous high-power turbine fracturing equipment, including a turbine engine, a reduction gearbox, a and a plunger pump, the turbine engine is arranged coaxially with the reduction gearbox, the reduction gearbox is connected to the plunger pump through the transmission shaft, the angle between a central line of the reduction gearbox and the transmission shaft is between 2° and 4°. The beneficial effects are as follows: chassis T1 materials are selected to provide a stable working platform for the equipment; the turbine engine is arranged coaxially with the reduction gearbox, the transmission shaft is disposed between the reduction gearbox and the plunger pump, and the angle between a central line of the reduction gearbox and the transmission shaft is between 2° and 4°, ensuring stable and efficient transmission of the turbine engine, thus reducing the incidence of failure; a lubrication system driven by an auxiliary power system ensures that the turbine engine, the reduction gearbox and the plunger pump all run under appropriate circumstances, and a dual lubrication system ensures that the plunger pump achieves a power operation continuously at 5000 HP or above; with all the above technical means, the requirements of continuous high-power operations for the fracturing equipment would finally be satisfied.

What is claimed is: 
     
       1. A continuous high-power turbine fracturing equipment, comprising a turbine engine, a reduction gearbox, a transmission shaft and a plunger pump, the turbine engine is arranged coaxially with the reduction gearbox, the reduction gearbox is connected to the plunger pump through the transmission shaft, and; and
 wherein the continuous high-power turbine fracturing equipment comprises an auxiliary power system and a lubrication system, the auxiliary power system provides power to the lubrication system, the lubrication system comprises a lubrication unit for the turbine engine, a lubrication unit for the reduction gearbox and a lubrication unit for the plunger pump, the lubrication unit for the plunger pump comprises a high pressure lubrication unit and a low pressure lubrication unit; and 
 wherein the low pressure lubrication unit comprises a low pressure motor, a low pressure pump and a low pressure oil line, the low pressure motor drives the low pressure pump, which pumps low pressure lubricating oil into the low pressure oil line; and 
 wherein the low pressure oil line is used for lubricating crankshaft bearings, crosshead sliding rails, bearings of the reduction gearbox and gears of the reduction gearbox in the plunger pump; and 
 wherein at an oil inlet of the low pressure oil line, independent lubricating oil lines are respectively arranged for the bearings of the reduction gearbox and the gears of the reduction gearbox. 
 
     
     
       2. The continuous high-power turbine fracturing equipment according to  claim 1 , wherein the auxiliary power system is a diesel engine, or a gas turbine, or an electromotor. 
     
     
       3. The continuous high-power turbine fracturing equipment according to  claim 1 , wherein the auxiliary power system is disposed on a gooseneck of the chassis. 
     
     
       4. The continuous high-power turbine fracturing equipment according to  claim 1 , wherein the turbine engine employs 100% of natural gas or diesel as fuel. 
     
     
       5. The continuous high-power turbine fracturing equipment according to  claim 1 , wherein the continuous high-power turbine fracturing equipment comprises a chassis, the turbine engine, the reduction gearbox, the transmission shaft and the plunger pump are disposed on the chassis, and T1 high strength structure steel is employed as the material of the chassis. 
     
     
       6. The continuous high-power turbine fracturing equipment according to  claim 5 , wherein the number of axles of the chassis is 3 or above. 
     
     
       7. The continuous high-power turbine fracturing equipment according to  claim 1 , wherein the high pressure lubrication unit comprises a high pressure motor, a high pressure pump and a high pressure oil line, the high pressure motor drives the high pressure pump, which pumps high pressure lubricating oil into the high pressure oil line. 
     
     
       8. The continuous high-power turbine fracturing equipment according to  claim 7 , wherein the high pressure oil line is used for lubricating connecting rod bearing bushes and crosshead bearing bushes in the plunger pump. 
     
     
       9. The continuous high-power turbine fracturing equipment according to  claim 1 , wherein the power of the plunger pump is 5000 HP. 
     
     
       10. The continuous high-power turbine fracturing equipment according to  claim 9 , wherein the plunger pump is a five-cylinder plunger pump. 
     
     
       11. The continuous high-power turbine fracturing equipment according to  claim 1 , wherein the continuous high-power turbine fracturing equipment comprises an air intake system, which comprises air intake filters and air intake pipes, the air intake filters are connected to air inlets of the turbine engine through the air intake pipes. 
     
     
       12. The continuous high-power turbine fracturing equipment according to  claim 11 , wherein the air intake filters are in V-shaped structures. 
     
     
       13. The continuous high-power turbine fracturing equipment according to  claim 1 ,
 wherein the continuous high-power turbine fracturing equipment comprises an exhaust system, which is connected to an exhaust port of the turbine engine; and 
 wherein an exhaust end of the exhaust system is provided with a rain cap, the rain cap is hinged to the exhaust end of the exhaust system and an opening of the rain cap diverges from the turbine engine; and 
 after obtaining the power provided by an electric capstan, the rain cap rotates along the exhaust end of the exhaust system with a rotation angle between 0° and 90°. 
 
     
     
       14. The continuous high-power turbine fracturing equipment according to  claim 13 , wherein the rotation angle is 85°.